diff --git a/biology/py-scikit-bio/Makefile b/biology/py-scikit-bio/Makefile
index eedfa79a831b..fb1147c4f3fb 100644
--- a/biology/py-scikit-bio/Makefile
+++ b/biology/py-scikit-bio/Makefile
@@ -1,43 +1,40 @@
 PORTNAME=	scikit-bio
 PORTVERSION=	0.5.7
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	biology education python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Data structures, algorithms, educational resources for bioinformatics
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/COPYING.txt
 
 BUILD_DEPENDS=	${PYNUMPY}
 RUN_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}CacheControl>=0.11.5:www/py-cachecontrol@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}decorator>=3.4.2:devel/py-decorator@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}h5py>=2.9.0:science/py-h5py@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}hdmedians>=0.14.1:math/py-hdmedians@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}ipython>=3.2.0:devel/ipython@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}lockfile>=0.10.2:devel/py-lockfile@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}matplotlib>=1.4.3:math/py-matplotlib@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}natsort>=4.0.3:devel/py-natsort@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pandas>=1.0.0:math/py-pandas@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scikit-learn>=0.19.1:science/py-scikit-learn@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scipy>=1.3.0:science/py-scipy@${PY_FLAVOR}
 
 USES=		python:3.7+
 USE_PYTHON=	distutils cython autoplist
 
 CONFLICTS_INSTALL=	${PYTHON_PKGNAMEPREFIX}ddtrace # lib/python3.8/site-packages/benchmarks/__init__.py
 
 .include <bsd.port.options.mk>
 
 .if ${ARCH} == i386
 CFLAGS+=	-msse2 # workaround for https://github.com/biocore/scikit-bio/issues/1727
 CXXFLAGS+=	-msse2
-.elif ${ARCH} == powerpc64
-CFLAGS+=	-DNO_WARN_X86_INTRINSICS
-USE_GCC=	yes
 .endif
 
 .include <bsd.port.mk>